Pith Number

pith:SA47EC7O

pith:2015:SA47EC7OWNORB6A63PUZ35E7IE

not attested not anchored not stored refs pending

Non-commutative lattice problems

Alexander Ushakov, Alexei Myasnikov, Andrey Nikolaev

arxiv:1508.02388 v1 · 2015-08-10 · math.GR · cs.CC · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SA47EC7OWNORB6A63PUZ35E7IE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:35:29.328697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9039f20beeb35d10f81edbe99df49f4103c1dda503a6cfcda157b4ace6b4c39a

Aliases

arxiv: 1508.02388 · arxiv_version: 1508.02388v1 · doi: 10.48550/arxiv.1508.02388 · pith_short_12: SA47EC7OWNOR · pith_short_16: SA47EC7OWNORB6A6 · pith_short_8: SA47EC7O

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SA47EC7OWNORB6A63PUZ35E7IE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9039f20beeb35d10f81edbe99df49f4103c1dda503a6cfcda157b4ace6b4c39a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6720fedf6f93051008b90dc46ac2fcc1b25dd7d9b89d306bf8b32d23f898fb4a",
    "cross_cats_sorted": [
      "cs.CC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-08-10T20:02:10Z",
    "title_canon_sha256": "3bab548b806eb6dbb19aa1ec573050ec01c6258c99180feb054cd4eb74078f9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02388",
    "kind": "arxiv",
    "version": 1
  }
}